SqBind-VObj.h

// Helper to create VObj binder from other binding module 

// Note: Uses void* so it will match anything, but depends 
// on a VPTR being first in the object. (not good to send 
// pointers to objects without VPTR here).


#include "DoBase.hpp" 

class VObj;
class DynI;


template <class T, int N>
struct VObjTestImpl {
    typedef T type;
};

template <class T>
struct VObjTestImpl<T,1> {
    typedef VObj type;
};

template <class T>
struct VObjTester {
    typedef typename VBaseSelect<T>::type TT;
    typedef typename VObjTestImpl< TT,IsVObj<TT>::v+DoIsTypeA<TT,DynI>::v>::type type;
    //typedef typename VObjTestImpl<T,1>::type type;
};


#undef SQPLUS_GEN_CAST 
// This will convert any class that have a VTable (but are not DynI) to VObj.
// All other types are left intact. 
#define SQPLUS_GEN_CAST(TYPE,value) ((typename VObjTester<TYPE>::type*)(value))
//#define SQPLUS_GEN_TYPE(TYPE) (typename VObjTester<TYPE>::type)

namespace SqPlus { 
    struct InstanceBinder;
    InstanceBinder *CreateInstanceBinder( VObj* pvo );
    InstanceBinder *CreateInstanceBinder( DynI* pdi );
}

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